Porterfield Brake Pads for 1990 PONTIAC FIREBIRD w/Rear Drums 3GTACOBF Xtreme Energy XR274R

Xtreme Energy XR274R

or splicing when installing a ReFlex+ controller on BMW S58 and B58 platforms using the standard install harness

It however will not work with the LS7s unique oil pump and chain tensioner setup (Part # 5497 will)

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2WD) 1" or 2" F/ 3" or 4" R W/O Shocks

Porterfield Brake Pads for 1990 PONTIAC FIREBIRD w/Rear Drums 3GTACOBF Xtreme Energy XR274RPorterfield Brake Pads for 1990 PONTIAC FIREBIRD w Rear Drums Porterfield R4 Porterfield R4 Carbon Kevlar based brake pads were fully designed for heavy duty extreme motorsports use. Its one of the the few true motorsports competition pads available on the market today. The carbon based semi metallic R4 brake material allows the brake pad to absorb huge amounts of heat and dissipate it quickly and evenly over time. The Carbon Kevlar material also